Attacks on this boat and other events

1 Sep 1942The target of the attack by an American Catalina flying boat (Sqdn. VP-73) in the Atlantic in position 58.08N 27.33W, previously credited with sinking U-756, was in fact U-91, which escaped with minor damage.

21 Feb 1943While attacking a convoy the boat was hit by a "rain of aircraft bombs and depth charges from surface ships" and forced to give up the attack to repair damage. (Sources: Blair, vol 2, page 186)

27 Mar 194322.45 hrs, Bay of Biscay, inbound: a British Wellington bomber (RAF Sqdn 172/M) made a Leigh Light attack. The boat escaped undamaged, but had dived with three men still on the bridge. It resurfaced immediately and found two still in place, but the PO who had fired the AA gun until the last moment was missing. [Oberbootsmaat Heinrich Hollenborg] (Sources: Ritschel)

26 Oct 1943The target of the depth charge attack on 26 Oct. 1943 in the Atlantic in postion 50.49N 41.01W by a Canadian B-24 Liberator bomber (RCAF Sqdn. 10/A), formerly credited with sinking U-420, was in fact U-91, which escaped unscathed. U-91 was searching for U-584 to supply her with fuel.

(Sources: 1996-01-01, Axel Niestle)

31 Oct 1943Avengers from the USS Card found U-91 refuelling U-584 and called in other aircraft. After initially repelling them with flak, U-91 dived while U-584 stayed on the surface. U-584 was sunk with all hands by Fido homing torpedoes when she attempted to dive. U-91 escaped unscathed and eluded the subsequent search. (Sources: Blair, vol 2, page 438)

6 recorded attacks on this boat.

Men lost from the boat

27 Mar 194322.45 hrs, Bay of Biscay, inbound: a British Wellington bomber (RAF Sqdn 172/M) made a Leigh Light attack. The boat escaped undamaged, but had dived with three men still on the bridge. It resurfaced immediately and found two still in place, but the PO who had fired the AA gun until the last moment was missing. [Oberbootsmaat Heinrich Hollenborg]

There was another U-91 in World War OneThat boat was launched from its shipyard on 14 Apr 1917 and commissioned into the Imperial Navy on 17 Sep 1917. The Naval war in WWI was brought to an end with the Armistice signed on 11 Nov, 1918. Read about SM U 91 during WWI.